Recent developments in the support of face ends and at the junctions between faces and gate roads : model report / transmitted by the Government of Hungary.
1984
Полное описание
Условное обозначение[E/ECE/]COAL/GE.1/R.59/Add.1
ЗаглавиеRecent developments in the support of face ends and at the junctions between faces and gate roads : model report / transmitted by the Government of Hungary.
АвторыHungary
ДатаGeneva : UN, 9 Oct. 1984.
Описание
6, 2 p. : ill., tables